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| Number | Title | Issue Date |
| 8119820 | Method of preparing sultines A method of preparing a sultine from a dihalogeno compound. The method comprises the steps of reacting the dihalogeno compound with a hydroxymethanesulfinate salt in a DMSO solvent so as to prepare the sultine. ... | 02/21/2012 |
| 7385067 | Process for the preparation of compounds having a CFO bridge The invention relates to a process for the preparation of compounds containing at least one —CF2—O— bridge in the molecule, in which a) an acid is added onto at least one ketene dithioketal, b) the... | 06/10/2008 |
| 7109343 | Metal catalysts and methods for making and using same Compounds having the formula: are disclosed. M1 and M2 are the same or different and are transition metal atoms or ions; Z2 and Z3, independently, are the atoms necessa... | 09/19/2006 |
| 7087548 | Preparation and use of a heterogeneous rhodium catalyst for the hydrogenation of a double bond of an α-β-unsaturated carbonyl compound A process for preparing an Rh-based catalytic system heterogenized on an organic or mineral support, characterized in that: a) a rhodium derivative with a valency state>0 is reduced in an ether or aromatic solvent and in the presence of a compound chosen from the gr... | 08/08/2006 |
| 7030051 | Dirhodium catalyst compositions and methods for using same Disclosed is method for increasing the efficiency of a dirhodium catalyst. The method includes providing a dirhodium catalyst, providing an organic ester, and contacting the dirhodium catalyst and the organic ester under conditions effective to increase the efficien... | 04/18/2006 |
| 6916346 | Primary intermediates for oxidative coloration of hair Primary intermediates for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): wherein R is selected from C1 to C5 alkyl or hydroxyalkyl, a C3 to C | 07/12/2005 |
| 6875894 | Bis(alkylthio)carbenium salts The invention relates to bis(alkylthio)carbenium salts of the formula I with the stated definitions for R1, R2, R3 and Y−, and to a process for the preparation th... | 04/05/2005 |
| 6787062 | Producing liquid crystals with CF2O bond The invention relates to a process for the preparation of compounds having at least one —CF2O— bridge in the molecule, which comprises initially reacting a bis(alkylthio)carbenium salt with a compound containing at least one hydroxyl group in the pres... | 09/07/2004 |
| 6706891 | Process for the preparation of ligands for olefin polymerization catalysts Processes for the preparation of 4,5-bisimino-[1,3]dithiolanes and 2,3-bisimino-[1,4]dithianes are described. The processes involve conversion of an oxalamide to a dithiooxalamide, followed by conversion of the dithiooxalamide to either a 4,5-bisimino-[1,3]dithiolan... | 03/16/2004 |
| 6664287 | Antioxidants This invention comprises administering to a human or animal in need of treatment an effective amount of an antioxidant lipoic acid derivative and/or pharmaceutically acceptable salts and solvates thereof for the treatment or prevention of pathological (in... | 12/16/2003 |
| 6472488 | (Thio) (meth) acrylate monomers, intermediate compounds for the synthesis of these monomers, polymerizable compositions and polymers obtained, and their optical and ophthalmic uses Polymerizable compositions from novel monomers that correspond to the formula: ##STR1## in which: Z represents H or CH3 and X represents O or S, and Y is a 5- to 8-membered heterocycle consisting of hydrogen, carbon and sulphur atoms and at lea... | 10/29/2002 |
| 6407136 | 1,4-dithiin and 1,4-dithiepin-1,1,4,4, tetroxide derivatives useful as antagonists of the human galanin receptor The invention is directed to 1,4-dithiin- and 1,4-dithiepin-1,1,4,4-tetroxide derivatives useful as galanin receptor antagonists for treating disorders of the central nervous system. Pharmaceutical compositions comprising the compounds of the present ... | 06/18/2002 |
| 6369071 | Nitric oxide donors and pharmaceutical compositions containing them An organic compound is provided which contains at least one nitric oxide donor group and at least one group being, or being adapted to be converted in vivo to a free sulfhydryl group. A preferred compound contains at least one sulfhydryl group, either in ... | 04/09/2002 |
| 6307062 | (Thio) (meth) acrylate monomers, intermediate compounds for the synthesis of these monomers, polymerisable compositions and polymers obtained, and their optical and ophthalmic uses The novel monomers correspond to the formula: ##STR1## in which: Z represents H or CH3 and X represents O or S, and Y is a 5- to 8-membered heterocycle consisting of hydrogen, carbon and sulphur atoms and at least two endocyclic sulphur atoms.... | 10/23/2001 |
| 6046228 | Anti-viral pharmaceutical compositions containing saturated 1,2-dithiaheterocyclic compounds and uses thereof The present invention is directed to pharmaceutical compositions including a saturated 1,2-dithiaheterocyclic compound having antiviral activity. The present invention also provides a kit containing the pharmaceutical composition and methods of treating o... | 04/04/2000 |
| 6043361 | Polymerisable monomers and polymers The invention relates to compounds of the formulae: processes for their preparation, polymers, co-polymers or block co-polymers containing them or their use as monomers or co-monomers in free radical polymerisation and in the manufacture of adhesives, den... | 03/28/2000 |
| 6034087 | Nucleoside derivatives and process for preparing thereof Nucleoside derivatives represented by formula (I); ##STR1## wherein, R1 represents hydrogen, phosphate or phosphonate group, R2 represents substituted or unsubstituted pyrimidine or purine base, and Z represents S, SO, SO2 | 03/07/2000 |
| 6025502 | Enantopselective synthesis of methyl phenidate The invention relates to an enantioselective method of making methylphenidate and derivatives thereof. The method involves use of a rhodium catalyst, and selectively produces the D-enantiomer of the methylphenidate derivative in excess of the L-enantiomer... | 02/15/2000 |
| 5834508 | Ketone derivatives A novel ketone derivative (I) which possesses a potent inhibitory activity against thiol protease such as papain, cathepsin B, cathepsin H, cathepsin L, calpain or the like with excellent properties regarding oral absorbance, tissue transference and cell ... | 11/10/1998 |
| 5698580 | Antiviral agent containing benzodithiin derivative as active ingredient Antiviral agents comprising, as an active ingredient, a 1,4-dihydro-2,3-benzodithiin derivative of the formula ##STR1## wherein each symbol is as defined in the Specification, or a pharmacologically acceptable salt thereof. The antiviral agents of th... | 12/16/1997 |
| 5676884 | Nonlinear optical materials containing polar disulfone-functionalized molecules Nonlinear optical (NLO) compositions are disclosed which contain polar disulfone-functionalized molecules (PDFMs) incorporated in a polymeric material. when aligned noncentrosymmetrically in the polymeric material, the PDFMs generate a second-order NLO re... | 10/14/1997 |
| 5674894 | Amidine derivatives useful as platelet aggregation inhibitors and vasodilators The current invention discloses novel amidine derivatives with nitric oxide donating property that can inhibit platelet aggregation and promote vasodilation in a single compound.... | 10/07/1997 |
| 5543433 | Azine-substituted phenylacetic acid derivatives and fungicides containing these Compounds of the formula I ##STR1## where X is hydrogen, halogen, alkyl, alkoxy, trifluoromethyl, cyano or nitro, Y is an amino, methylamino or dimethylamino group, Z is a group CHCH3, CHOCH3 or NOCH3, R is hydrogen or alk... | 08/06/1996 |
| 5514642 | Cyclohexenone oxime ethers, their preparation and their use Cyclohexenone oxime ethers of the formula I ##STR1##... | 05/07/1996 |
| 5508275 | Lipid-selective antioxidants and their preparation and use Lipid-selective antioxidants of the formula I (A)a (L)(X)a, (I), in which A=an antioxidative component, L=a bridging member, X=a lipophilic component a and a'=independently of one another the numbers 1 or 2. The c... | 04/16/1996 |
| 5453518 | Flavone derivatives A compound of the general formula: ##STR1## wherein X represents --CO--, --COO--, --CONH--, --CON(CH3)--, --CH2 NH--, --CH2 N(CH3)--, --CH2 NHCO--, --CH2 N(CH3)CO--, --CH | 09/26/1995 |
| 5360815 | Heteroaryl cinnamic acids as inhibitors of leukotriene biosynthesis Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, ... | 11/01/1994 |
| 5296611 | Propenals substituted with a dithiane ring and processes for the preparation of these propenals Propenals of formula: ##STR1## in which formula R is H or a C1 -C4 thioalkyl radical, the dithiane ring being at the cis position in relation to the aldehyde function when R is H and at the trans position when R is a thioalkyl ... | 03/22/1994 |
| 5296505 | Compositions of retinoids substituted with a dithiane ring, their use, and process for preparing the compounds The invention relates to a stereospecific derivative of formula: ##STR1## in which R is hydrogen or a C1 -C4 thioalkyl. The invention also relates to the use of these compounds for the manufacture of stereospecific retinal or re... | 03/22/1994 |
| 5264455 | Sulfur-substituted mevinic acid derivatives X is hydrogen or --S(O)m --R1 and Y is hydrogen or S(O)n --R2, except that X and Y are not both hydrogen, or one of X and Y is --S--alkyl--SH and the other is hydrogen; ##STR2## and the remaining symbols ar... | 11/23/1993 |
| 5227398 | Benzodioxole derivatives and hepatopathy improvers comprising the same Hepatopathy improvers contain as an effective ingredient one or more of benzodioxole derivatives represented by the following formula: ##STR1## wherein A means a particular N- or S-containing group. Most of these benzodioxole derivatives are novel.... | 07/13/1993 |
| 5098928 | Ketendithioacetal derivatives and pharmaceutical compositions containing the same The ketenedithioacetal derivatives of formula (I) have a potent hypolipidemic and anti-arteriosclerotic effect and are useful for prophylaxis and treatment of arteriosclerosis or hyperlipidemia.... | 03/24/1992 |
| 5049673 | Fluorescent indicator dyes for calcium working at long wavelengths The present invention discloses a new class of calcium specific fluorescent indicator dyes having visible excitation and emission wavelengths. The new fluorescent indicator dyes combine at least one tricyclic chromophore with a tetracarboxylate parent CA | 09/17/1991 |
| 5032312 | 3E-cyclohexylalkoxy derivatives Compounds of the formula ##STR1## wherein R1 denotes a group R3 or R3 --A4 --Z3 -- and R2 denotes a group R4 or --Z4 --A5 --R4 ; m and n eac... | 07/16/1991 |
| 4996316 | Process for the preparation of tertiary N, N-dimethylamines A process for the preparation of tertiary N,N-dimethylamines by the reaction of primary amines, formaldehyde, and hydrogen under pressure and at elevated temperature in the presence of a nickel-containing hydrogenation catalyst in the liquid phase. The hy... | 02/26/1991 |
| 4988459 | Use of optically active oxirane-2-carboxylic acid esters as dopants in liquid-crystal mixtures, liquid-crystal mixtures containing same and novel optically active oxirane-2-carboxylic acid esters Optically active oxirane-2-carboxylic acid esters with a mesogenic molecular component suitable as dopants in liquid-crystal mixtures. They result in liquid-crystalline ferroelectric phases with short switching times and in electroclinic phases with large... | 01/29/1991 |
| 4985411 | Dialkyl-substituted dithianes and pesticidal compositions The present invention provides compounds of the formula (I): ##STR1## wherein m and n are independently selected from 0, 1 or 2, ##STR2## R is selected from hydrogen, methyl or ethyl; R1 is selected from C1-4 hydrocarbyl su... | 01/15/1991 |
| 4946861 | 1,3-dithian-2-ylidenes, their oxides, pharmaceutical compositions, and methods of use thereof The invention relates to the use of ketenethioacetals of the formula ##STR1## in which R1 represents aryl or heteroaryl, R2 represents hydrogen, an optionally substituted hydrocarbon radical, heteroaryl, an acyl radical, a group... | 08/07/1990 |
| 4927845 | Compounds of the anthraquinone series Anthralin analogues containing a thio-substituent, especially in one or more of the positions 2-, 7- and 10- of the anthralin ring. They may be made by reacting an anthralin derivative (e.g. 10-bromoanthralin) with a thiol or a compound containing a group... | 05/22/1990 |
| 4925590 | Derivatives of 4-cyano-2,3-difluorophenol Derivatives of 4-cyano-2,3-difluorophenol of the formula I ##STR1## wherein R1 is an alkyl group which has 1-12 C atoms and in which one or two CH2 groups can also be replaced by --O--, --CO--, --CO--O-- and/or --CH.dbd.CH--, no... | 05/15/1990 |
